Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11772305 | Production method of mold having recessed pattern in recessed step portion | Satoshi CHAI, Toshihiro Usa, Kozue IKEDA | 2023-10-03 |
| 11534943 | Production method of mold having recessed pattern in recessed step portion, and manufacturing method of pattern sheet | Satoshi CHAI, Toshihiro Usa, Kozue IKEDA | 2022-12-27 |
| 10195768 | Method of manufacturing mold and method of manufacturing pattern sheet | Shotaro Ogawa, Atsushi Fujita, Toshihiro Usa | 2019-02-05 |
| 10045936 | Method for manufacturing transdermal-absorption sheet | Seiji Kasahara, Yanlong Che, Shotaro Ogawa | 2018-08-14 |
| 8383027 | Method of fabricating a template for a concave array mold, a concave array mold and a needle array sheet | Shotaro Ogawa | 2013-02-26 |